.pull-to-refresh-head {
  overflow: hidden;
  font-size: 13px;
  color: #999;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  bottom: 10px;
}
.pull-to-refresh-item {
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}
.pull-to-refresh-item:nth-child(1) {
  border-top: 1px solid #eee;
}
